Gra Snake (wąż)

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Bardzo prosta gra w węża zrealizowana w Pythonie z wykorzystaniem modułu tkinter. Poniżej zamieszczam kod programu:

Listing 1
  1. #!/usr/bin/env python
  2. # -*- coding: utf-8 -*-
  3. # program created by owner of page obliczeniowo.jcom.pl
  4. # Licence GPL-3.0 www.gnu.org/licenses/gpl-3.0.en.html
  6. # This is a simple snake game program
  8. import tkinter as tk
  10. import random as rn
  12. def main():
  14. dt = 200 # snake speed
  16. window = tk.Tk() # create window
  18. window.title("Snake") # window title
  20. c_draw = tk.Canvas(window, width = 600, height = 400) # create canvas
  21. c_draw.pack() # pack canvas
  23. class Snake: # snake class
  24. def __init__(self, width, height):
  25. self.width = int(width) # area width
  26. self.height = int(height) # area height
  27. self.msnake = [[self.width / 2, self.height / 2], [self.width / 2 + 1, self.height / 2], [self.width / 2 + 2, self.height / 2]] # snake elements
  28. self.move = 0 # index of vector described direction of snake move
  29. self.tmove = [[0,1],[1,0],[0,-1],[-1,0]] # vectors of direacion of snake move
  30. self.size = 10
  31. self.col = False # określa, czy doszło do kolizji
  32. self.food = [rn.randint(1, self.width - 2), rn.randint(1, self.height - 2)]
  33. def drawBox(self,x, y, color = 'green'):
  34. c_draw.create_rectangle([x, y, x + self.size, y + self.size], fill=color)
  35. def draw(self):
  36. c_draw.delete("all")
  37. if self.col:
  38. c_draw.create_text([self.width / 2 * self.size, self.height / 2 * self.size], text = "Przegrałeś")
  39. else:
  40. for i in range(self.width):
  41. self.drawBox(i * self.size, 0)
  42. self.drawBox(i * self.size, (self.height - 1) * self.size)
  43. for i in range(1, self.height):
  44. self.drawBox(0, i * self.size)
  45. self.drawBox((self.width - 1) * self.size, i * self.size)
  46. for i in self.msnake:
  47. self.drawBox(i[0] * self.size, i[1] * self.size)
  48. self.drawBox(self.food[0] * self.size, self.food[1] * self.size, color = 'red')
  49. def eat(self): # snake must eat
  50. if self.msnake[0][0] == self.food[0] and self.msnake[0][1] == self.food[1]: # if head of snake is on food, then snake eat
  51. self.msnake.append([0,0]) # add snake element
  52. self.food = [rn.randint(1, self.width - 2), rn.randint(1, self.height - 2)] # random new food for snake
  53. def move_snake(self):
  54. for i in range(len(self.msnake) - 1,0,-1):
  55. self.msnake[i][0] = self.msnake[i-1][0]
  56. self.msnake[i][1] = self.msnake[i-1][1]
  57. self.msnake[0][0] += self.tmove[self.move][0]
  58. self.msnake[0][1] += self.tmove[self.move][1]
  59. self.colision()
  60. self.eat()
  61. self.draw()
  62. def turnLeft(self):
  63. self.move = (self.move + 1) % len(self.tmove)
  64. def turnRight(self):
  65. self.move = (self.move - 1) if self.move > 0 else len(self.tmove) - 1
  66. def colision(self):
  67. if self.msnake[0][0] == 0 or self.msnake[0][1] == 0 or self.msnake[0][0] == self.width - 1 or self.msnake[0][1] == self.height - 1:
  68. self.col = True
  69. for i in self.msnake[1:]: # colision snake - snake
  70. if self.msnake[0][0] == i[0] and self.msnake[0][1] == i[1]:
  71. self.col = True
  72. def reset(self):
  73. self.col = False
  74. self.msnake = [[self.width / 2, self.height / 2], [self.width / 2 + 1, self.height / 2], [self.width / 2 + 2, self.height / 2]] # snake elements
  75. self.move = 0 # index of vector described direction of snake move
  76. self.tmove = [[0,1],[1,0],[0,-1],[-1,0]] # vectors of direacion of snake move
  77. self.size = 10
  78. self.col = False # określa, czy doszło do kolizji
  79. self.food = [rn.randint(1, self.width - 2), rn.randint(1, self.height - 2)]
  80. window.after(dt, move)
  82. sn = Snake(600 / 10, 400 / 10)
  84. menubar = tk.Menu(window)
  85. menu = tk.Menu(menubar, tearoff=0)
  86. menubar.add_cascade(label="Program", menu=menu)
  87. menu.add_command(label="Od nowa", command = sn.reset)
  88. menu.add_command(label="Wyjście", command = window.quit)
  89. window.config(menu=menubar)
  91. sn.draw()
  92. def move():
  93. sn.move_snake()
  94. if not sn.col:
  95. window.after(dt, move)
  96. def turnLeft(event):
  97. sn.turnLeft()
  98. def turnRight(event):
  99. sn.turnRight()
  100. window.after(dt, move)
  101. window.bind_all("<KeyPress-Left>", turnLeft)
  102. window.bind_all("<KeyPress-Right>", turnRight)
  104. window.mainloop()
  106. return 0
  108. if __name__ == '__main__':
  109. main()

Sterowanie wężem odbywa się za pomocą strzałek w lewo i w prawo. Poniżej zamieszczony został screen programu.

Porgram Snake napisany w Pythonie 3+ z wykorzystaniem modułu tkinter
Rys. 1
Porgram Snake napisany w Pythonie 3+ z wykorzystaniem modułu tkinter

Załączniki:

Kod programu na GitHub.com

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